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Description Given n, a positive integer, how many positive integers less than n are relatively prime to n? Two integers a and b are relatively prime i 阅读全文
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Description Professor Ibrahim has prepared the final homework for his algorithm’s class. He asked his students to implement the Posterization Image Fi 阅读全文
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Desciption Consider a set of n points in a 2-D plane with integer coordinates. There are various ways of measuring distance between two points such as 阅读全文
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Description Computing the exact number of ways that N things can be taken M at a time can be a great challenge when N and/or M become very large. Chal 阅读全文
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Description In how many ways can you choose k elements out of n elements, not taking order into account? Write a program to compute this number. Input 阅读全文
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Description There are N kangaroos going out to eat at an Indian restaurant. The ith kangaroo wants to eat exactly xi food. The kangaroos all want to o 阅读全文
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Description An ascending sorted sequence of distinct values is one in which some form of a less-than operator is used to order the elements from small 阅读全文